Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519ede3a9dd65Run #519edf3566aaeDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,000 842 -158 -15.8%
Incl. Wall Time (microsec) per call 1,000 842 -158 -15.8%
Excl. Wall Time (microsec)37 37 0 0.0%
Incl. CPU (microsecs)311 290 -21 -6.8%
Incl. CPU (microsecs) per call 311 290 -21 -6.8%
Excl. CPU (microsec)32 30 -2 -6.2%
Incl. MemUse (bytes)12,800 12,800 0 0.0%
Incl. MemUse (bytes) per call 12,800 12,800 0 0.0%
Excl. MemUse (bytes)3,184 3,160 -24 -0.8%
Incl. PeakMemUse (bytes)11,952 11,952 0 0.0%
Incl. PeakMemUse (bytes) per call 11,952 11,952 0 0.0%
Excl. PeakMemUse (bytes)1,608 1,608 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -158 -0.6% -21 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -2 -9.5% -24 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -158 -100.0% -21 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -156 -98.7% -23 -109.5% 0 N/A% 0 N/A%
PDO::exec0 N/A% -2 -1.3% 3 14.3% 24 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 4.8% 0 N/A% 0 N/A%